EP1104238B1 - Suspension concentrate formulation containing pyrimethanil - Google Patents

Suspension concentrate formulation containing pyrimethanil Download PDF

Info

Publication number
EP1104238B1
EP1104238B1 EP99940284A EP99940284A EP1104238B1 EP 1104238 B1 EP1104238 B1 EP 1104238B1 EP 99940284 A EP99940284 A EP 99940284A EP 99940284 A EP99940284 A EP 99940284A EP 1104238 B1 EP1104238 B1 EP 1104238B1
Authority
EP
European Patent Office
Prior art keywords
approximately
formulation according
polyoxyethylene
component
pyrimethanil
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
EP99940284A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP1104238A1 (en
Inventor
Galia Dimitrova
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Bayer CropScience AG
Original Assignee
Bayer CropScience AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Bayer CropScience AG filed Critical Bayer CropScience AG
Publication of EP1104238A1 publication Critical patent/EP1104238A1/en
Application granted granted Critical
Publication of EP1104238B1 publication Critical patent/EP1104238B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
    • A01N43/00—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds
    • A01N43/48—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with two nitrogen atoms as the only ring hetero atoms
    • A01N43/54—1,3-Diazines; Hydrogenated 1,3-diazines

Definitions

  • This invention relates to liquid formulations of pyrimethanil and methods for their preparation.
  • the invention relates to suspension concentrate (SC) formulations that contain high proportions of solid pyrimethanil.
  • SC formulations comprising the fungicide pyrimethanil include Mythos® and Scala®. Typically these formulations contain not more than 40% w/v pyrimethanil. Increasing the amount of pyrimethanil in these formulations above 40% would be advantageous, since it would reduce the cost of transporting a given amount of active ingredient. These savings would be particularly significant where pyrimethanil is transported to remote places where distribution is difficult, such as to tropical zones. However, increasing the concentration of pyrimethanil in these formulation leads to milling problems during manufacture and crystallisation during storage.
  • the invention provides an aqueous SC formulation comprising a) 50 to 80% w/v pyrimethanil, preferably 60 to 80% w/v; b) 0.2 to 5% w/v of a polyoxyethylene-polyoxypropylene block copolymer surfactant, preferably 0.3 to 1.5 %; and c) 0.2 to 5% w/v of a napthalene formaldehyde condensate surfactant, preferably 0.3 to 1.5%.
  • formulations according to the invention surprisingly do not solidify when milled during manufacture and also exhibit a low propensity to crystallise when stored for prolonged periods.
  • component b) has a molecular weight of 6000 to 14 000, especially 9000 to 13000. Further, component b) contains 20 to 80% w/w of polyoxyethylene, especially 40 to 80%. In particular, the molecular weight of component b) is nominally 12000 and the amount of polyoxyethylene is nominally 70% w/w.
  • component c) is a salt, particularly the sodium salt.
  • the formulation also comprises a dispersant, such as a polymethyl methacrylate-polyethylene glycol graft copolymer, preferably having a molecular weight of 20000 to 30000, in amounts of 1 to 10% w/v, preferably 3 to 8%.
  • a dispersant such as a polymethyl methacrylate-polyethylene glycol graft copolymer, preferably having a molecular weight of 20000 to 30000, in amounts of 1 to 10% w/v, preferably 3 to 8%.
  • a particularly preferred SC formulation comprises a) approximately 60% w/v pyrimethanil, b) approximately 0.5% w/v of an ethenylenoxy-propyleneoxy block copolymer surfactant, c) approximately 1% w/v of sodium naphthalene formaldehyde condensate surfactant, d) approximately 5% w/v polymethyl methacrylate-polyethylene glycol graft copolymer, e) approximately 6% w/v propylene glycol and f) approximately 37.5% w/v water.
  • Table 1 shows the components and their concentrations in w/v. In most cases the components are given as their trade name. Their chemical composition and major function are as follows.
  • Atlox 4894 is polyoxyethylene alkyl ether (NPE-free); acts as a dispersant and wetter.
  • Atlox 4913 is polymethyl methacrylate-polyethylene glycol graft copolymer; acts as a dispersant.
  • Atlox 5406B is a blend of anionic and nonionic surfactants; acts as a dispersant and wetter.
  • Morwet D425 is sodium naphtalene formaldehyde condensate; acts as a dispersant and viscosity modifier.
  • Synperonic PE F127 is a polyoxyethylene-polyoxypropylene block copolymer; acts as a dispersant and wetter.
  • Lauropal X1003 is an ethoxylated alcohol; acts as a wetter.
  • Polyfon H is sodium lignosulphonate; acts as a dispersant.
  • Tegopren 5840 is a copolymer consisting of polymethyl siloxanes and polyoxyethylene-polyoxypropylene segments; acts as a wetter.
  • Reax 85A is sodium lignosulphonate; acts as a dispersant.
  • Surfynol 104-E is tetramethyl decynediol and ethylene glycol; acts mainly as a wetter.
  • Surfynol 420 is polyoxyethylene (1.3 moles) tetramethyl decynediol; acts as a wetter.
  • Arylan SBC25 is sodium dodecylbenzene sulphonate; acts as a wetter.
  • Witconol NS 500 LQ is a nonionic surfactant blend; acts as a dispersant.
  • Synperonic 91/6 is polyoxyethylene (6 moles) synthetic primary C 9 /C 11 alcohol; acts as a wetter.
  • Emcol CC9E is polypropylene glycol (9 moles) diethylmonium chloride; acts as a dispersant and viscosity modifier.
  • Aerosol OT/ S is dioctyl sodium sulfosuccinate; acts as a wetter.
  • aqueous Kelzan pregel All components (except aqueous Kelzan pregel) are dispersed using a high speed mixer. The dispersion is passed through a bead mill under such conditions to achieve the desired particle size distribution and viscosity. Aqueous Kelzan pregel is added to the milled suspension.
  • Formulations 1 and 2 are formulations of the invention. The remaining formulations are by way of comparison. Each formulation was analysed in terms of milling performance and extent of crystallisation after 2 weeks storage at 54 °C. The results are as follows
  • Formulations 7 to 12, 19, 21, 22 and 23 exhibited crystal growth after 2 weeks at 54°C, this was particularly marked with 11, 19, 21 and 23.
  • Formulation 2 showed very slight crystallisation.
  • Formulation 1 showed no crystal growth.

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Plant Pathology (AREA)
  • Environmental Sciences (AREA)
  • Zoology (AREA)
  • Engineering & Computer Science (AREA)
  • Dentistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Agronomy & Crop Science (AREA)
  • Health & Medical Sciences (AREA)
  • Pest Control & Pesticides (AREA)
  • Agricultural Chemicals And Associated Chemicals (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Medicinal Preparation (AREA)
  • Detergent Compositions (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Emulsifying, Dispersing, Foam-Producing Or Wetting Agents (AREA)
  • Cosmetics (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
EP99940284A 1998-08-11 1999-08-09 Suspension concentrate formulation containing pyrimethanil Expired - Lifetime EP1104238B1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GBGB9817354.5A GB9817354D0 (en) 1998-08-11 1998-08-11 Liquid formulation
GB9817354 1998-08-11
PCT/GB1999/002437 WO2000008931A1 (en) 1998-08-11 1999-08-09 Suspension concentrate formulation containing pyrimethanil

Publications (2)

Publication Number Publication Date
EP1104238A1 EP1104238A1 (en) 2001-06-06
EP1104238B1 true EP1104238B1 (en) 2003-04-23

Family

ID=10836983

Family Applications (1)

Application Number Title Priority Date Filing Date
EP99940284A Expired - Lifetime EP1104238B1 (en) 1998-08-11 1999-08-09 Suspension concentrate formulation containing pyrimethanil

Country Status (37)

Country Link
US (1) US6559156B1 (zh)
EP (1) EP1104238B1 (zh)
JP (1) JP4505140B2 (zh)
KR (1) KR100641616B1 (zh)
CN (1) CN1151720C (zh)
AP (1) AP1301A (zh)
AT (1) ATE237936T1 (zh)
AU (1) AU754127B2 (zh)
BR (1) BR9914301B1 (zh)
CA (1) CA2339622C (zh)
CO (1) CO5210933A1 (zh)
CZ (1) CZ292763B6 (zh)
DE (1) DE69907211T2 (zh)
DK (1) DK1104238T3 (zh)
ES (1) ES2192070T3 (zh)
GB (1) GB9817354D0 (zh)
GT (1) GT199900129A (zh)
HK (1) HK1039548B (zh)
HN (1) HN1999000135A (zh)
HU (1) HU229545B1 (zh)
ID (1) ID29098A (zh)
IL (1) IL141331A0 (zh)
IN (1) IN2001DE00185A (zh)
MA (1) MA24956A1 (zh)
MX (1) MX217365B (zh)
NO (1) NO327734B1 (zh)
NZ (1) NZ509802A (zh)
OA (1) OA13128A (zh)
PH (1) PH11999001989B1 (zh)
PL (1) PL196307B1 (zh)
PT (1) PT1104238E (zh)
SI (1) SI1104238T1 (zh)
SK (1) SK284955B6 (zh)
TR (1) TR200100422T2 (zh)
TW (1) TW575432B (zh)
WO (1) WO2000008931A1 (zh)
ZA (1) ZA200101056B (zh)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB0021786D0 (en) * 2000-09-05 2000-10-18 Zeneca Ltd Fungicidal formulations
DE60331200D1 (en) * 2003-05-09 2010-03-25 Cellpoint Connect Ab Audio-headset
KR20050047699A (ko) * 2003-11-18 2005-05-23 주식회사 엘지생명과학 살균성 수성 액상수화제
DE102004011006A1 (de) * 2004-03-06 2005-09-22 Bayer Cropscience Ag Suspensionskonzentrate auf Ölbasis
WO2007101019A2 (en) † 2006-02-23 2007-09-07 Fmc Corporation Stable mixtures of microencapsulated and non-encapsulated pesticides
JP5339055B2 (ja) * 2006-06-13 2013-11-13 日産化学工業株式会社 水性懸濁状農薬組成物
CN101779638B (zh) * 2009-12-31 2012-06-27 江苏省绿盾植保农药实验有限公司 含有嘧霉胺和乙烯菌核利的杀菌剂
WO2013026470A1 (en) * 2011-08-22 2013-02-28 Agriphar S.A. Aqueous suspension concentrate comprising dodecylguanidine
BR102013021474A8 (pt) * 2013-08-22 2019-05-21 Rotam Agrochem Int Co Ltd suspoemulsão aquosa nova e um processo para preparar a mesma
CN104642353A (zh) * 2013-11-21 2015-05-27 苏州田园农业技术开发有限公司 抗低温辣椒种子引发剂
CN104642354A (zh) * 2013-11-21 2015-05-27 苏州田园农业技术开发有限公司 辣椒种子引发剂
CN104642352A (zh) * 2013-11-21 2015-05-27 苏州田园农业技术开发有限公司 一种辣椒种子快速萌发的引发剂
WO2016149572A1 (en) * 2015-03-19 2016-09-22 Valent Biosciences Corporation Concentrated natamycin suspension formulations
CN104855423A (zh) * 2015-05-12 2015-08-26 柳州市耕青科技有限公司 多肉植物垂盆草的专用抗腐烂药剂
EP3292759A1 (en) * 2016-09-07 2018-03-14 Bayer CropScience Aktiengesellschaft Formulations containing fluopyram for the control of nematodes
WO2022072650A1 (en) 2020-10-01 2022-04-07 Corteva Agriscience Llc Polymorphs of compounds having pesticidal activity

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
HU193175B (en) * 1983-07-29 1987-08-28 Budapesti Vegyimuevek Process for preparing aqueous fungicide suspension containing 2,4'-dichloro-alpha-/pyrimidin-5yl/-diphenyl-methanol as active substance
US4875929A (en) 1986-05-23 1989-10-24 American Cyanamid Company Aqueous suspension concentrate compositions
US4871392A (en) * 1986-05-23 1989-10-03 American Cyanamid Company Aqueous suspension concentrate compositions of pendimethalin
CA1289065C (en) * 1986-05-23 1991-09-17 Leonard John Morgan Aqueous suspension concentrate compositions
GB8710105D0 (en) * 1987-04-29 1987-06-03 Ici Plc Pesticidal formulations
ZA91755B (en) * 1990-03-05 1992-10-28 Basf Corp Liquid analogs of certain polyoxyalkylene compounds having a plurality of heteric polyoxypropylene/polyoxyethylene chains as dispersants for pesticidal formulations
GB9020207D0 (en) * 1990-09-15 1990-10-24 Schering Ag Fungicides
JP3086741B2 (ja) * 1991-02-07 2000-09-11 クミアイ化学工業株式会社 農園芸用殺菌剤組成物
JP3778527B2 (ja) * 1996-04-09 2006-05-24 アグロカネショウ株式会社 ２−アミノ−３−クロロ−１，４−ナフトキノンの安定な水性懸濁組成物
GB9615158D0 (en) * 1996-07-19 1996-09-04 Dowelanco Process for preparing storage-stable pesticide dispersion

Also Published As

Publication number Publication date
CO5210933A1 (es) 2002-10-30
HUP0103159A3 (en) 2002-12-28
AP1301A (en) 2004-09-08
TR200100422T2 (tr) 2001-09-21
IL141331A0 (en) 2002-03-10
PL346007A1 (en) 2002-01-14
ID29098A (id) 2001-07-26
MXPA01001525A (es) 2002-05-08
WO2000008931A1 (en) 2000-02-24
MA24956A1 (fr) 2000-04-01
SK284955B6 (sk) 2006-03-02
HUP0103159A2 (hu) 2001-12-28
CN1312677A (zh) 2001-09-12
JP2002522455A (ja) 2002-07-23
ES2192070T3 (es) 2003-09-16
CA2339622A1 (en) 2000-02-24
NZ509802A (en) 2002-10-25
KR20010079631A (ko) 2001-08-22
NO20010701D0 (no) 2001-02-09
EP1104238A1 (en) 2001-06-06
CZ2001468A3 (en) 2001-06-13
CA2339622C (en) 2008-02-19
NO20010701L (no) 2001-04-05
US6559156B1 (en) 2003-05-06
HU229545B1 (en) 2014-01-28
ATE237936T1 (de) 2003-05-15
CN1151720C (zh) 2004-06-02
PL196307B1 (pl) 2007-12-31
AU754127B2 (en) 2002-11-07
HN1999000135A (es) 2000-01-12
DE69907211T2 (de) 2004-02-19
KR100641616B1 (ko) 2006-11-06
BR9914301A (pt) 2001-10-16
NO327734B1 (no) 2009-09-14
HK1039548A1 (en) 2002-05-03
TW575432B (en) 2004-02-11
IN2001DE00185A (zh) 2005-03-11
GB9817354D0 (en) 1998-10-07
MX217365B (es) 2003-11-04
ZA200101056B (en) 2002-05-07
GT199900129A (es) 2001-01-31
SI1104238T1 (en) 2003-08-31
AU5428399A (en) 2000-03-06
DK1104238T3 (da) 2003-06-02
JP4505140B2 (ja) 2010-07-21
HK1039548B (zh) 2005-03-11
PH11999001989B1 (en) 2004-07-05
DE69907211D1 (de) 2003-05-28
BR9914301B1 (pt) 2011-01-25
OA13128A (en) 2006-12-13
SK2102001A3 (en) 2001-08-06
AP2001002069A0 (en) 2001-03-31
PT1104238E (pt) 2003-08-29
CZ292763B6 (cs) 2003-12-17

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